@article{BASM_2018_1_a5, author = {V. I. Arnautov and G. N. Ermakova}, title = {Properties of finite unrefinable chains of ring topologies for nilpotent rings}, journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica}, pages = {67--75}, publisher = {mathdoc}, number = {1}, year = {2018}, language = {en}, url = {http://geodesic.mathdoc.fr/item/BASM_2018_1_a5/} }